Hino Motors HINO 155 series Workshop Manual page 515

ENGINE (J05E)/TROUBLESHOOTING
b. Pressure is increased by 5 MPa or more continually for 5 seconds or
more.  Replace the SCV.
Engine speed pattern
Time
c. The maximum common rail pressure exceeds 222 MPa for even a
moment during pressure increase.  Replace the SCV.
Accelerator pattern
222 MPa
Time
d. After the maximum common rail pressure exceeds 222 MPa during
pressure increase, the actual rail pressure falls below the target rail
pressure.  Replace the SCV.
Accelerator pattern
222 MPa
Time
Pressure is increased by 5
MPa or more continually for
5 seconds or more.
2–479
Actual common rail pressure
Target common rail pressure
SHTS021270300443
Actual common rail pressure
Target common rail pressure
SHTS021270300444
Actual common rail pressure
Target common rail pressure
SHTS021270300445